Examine source code of stnk

{
  "name": "stnk",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "Untitled.png"
    },
    "colors": {
      "frame": "rgba(99, 28, 230, 0.53)",
      "tab_background_text": "rgba(53, 42, 117, 1)",
      "toolbar": "rgba(27, 3, 242, 0)",
      "bookmark_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(12, 59, 201, 0.67)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(3, 217, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{65fce226-12fb-4627-be1e-f4faad472c59}"
    }
  }
}